SVG Navigator автор Peter Ryszkiewicz

To use, go to a website with an SVG file. The extension begins working on the SVG graphic and you may:
* Pan: click and drag or hold the space bar and drag the cursor to pan around the image
* Zoom in or out: use mouse scroll wheel
* Zoom: click and drag a zoom box of the desired area if enabled
* Zoom out: tap alt key
* Reset zoom: press escape